Cross Reference: /external/swiftshader/third_party/SPIRV-Tools/kokoro/shaderc-smoketest

`Name`	`Date`	`Size`
Up to higher level directory
`build.sh`	22-Oct-2020	`1.9K`
`continuous.cfg`	22-Oct-2020	`676`
`presubmit.cfg`	22-Oct-2020	`675`